Heart Rate Data in Three Disciplines- Specifically designed for triathletes- Our smallest and lightest heart rate monitor (HRM)- Comfortable, easily adjustable strap- Stores and forwards heart rate data to Forerunner 920XT Enhance your triathlon experience by pairing HRM-Tri with your Forerunner 920XT. The HRM-Tri stores heart rate data when underwater, then forwards it to the 920XT. Our smallest and lightest module fits within the width of the strap. Its soft, rounded edges and covered seams make the strap super-comfortable out of the water, too. Example of Typical Uses - HRM-Tri- Bike rides, runs, bricks- Open water swims- Triathlon competition (open water swim)- Triathlon competition (with pool swim) while wearing triathlon kit Physical Specifications- Unit dimensions (LxWxD): 23.5"-56.0" x 1.2" x 0.5" (60.0 - 142.0 x 3.0 x 1.2 cm)- Weight: 2.1 oz (59 g)- Module size: 29.4 x 51.4 x 8.5 mm- Module weight: 1.7 oz (49 g)- Size adjustment: Bi-fold- Sizing range: 23.5"-56.0" (60.0 - 142.0 cm)- Battery: CR2032- Battery life: 10 months (Tri training 1 hour per day)- Water rating: 5 ATM Additional- ANT+ heart rate: yes- Supports heart rate variability and advanced heart rate features: yes- 2.4 GHz ANT wireless communication protocol: yes- Running dynamics: yes- Stores and forwards heart rate: yes- Swim interval heart rate statistics: yes- Non-slip design for pool swimming: no- Pool chemical resistant: no

BATTERY LIFE - Lasts for 10 months (assuming 1 hour/day use) with user-replaceable CR2032 battery. RUNNING DYNAMICS2 - Provides feedback on running form by measuring cadence, vertical oscillation and ground contact time when paired with a compatible device. SWIM HEART RATE1 - Stores up to 20 hours of heart rate data during swims, then forwards it to a compatible device at the end of the session. It also sends real-time heart rate to the watch when the monitor is out of the water. COMPACT AND COMFORTABLE - HRM-Tri is the smallest and lightest heart rate monitor from Garmin. Designed with rounded edges and no exposed seams, the strap remains comfortable during extended hours of training. This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on .